# Logging Level -- Minimum

Message | Component | Source | Event ID | Explanation | User Action
--- | --- | --- | --- | --- | ---
The service is starting. | Active Directory Connector | MSADC | 8003 | Informational message only. | No user action required.
The service is stopping. | Active Directory Connector | MSADC | 8004 | Informational message only. | No user action required.
The service received an unsupported request. | Active Directory Connector | MSADC | 8005 | The Service Control Manager has returned an invalid request. | If the problem persists, create a new Connection Agreement.
LDAP Search of directory <directory name> at base '<value>' using filter '<value>' was unsuccessful. Directory returned the LDAP error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8020 | If the accompanying LDAP message refers to LDAP_OTHER, the directory service may be out of disk space. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Modify on directory <directory name> for entry '<entry name>' was unsuccessfull with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8022 | If the accompanying LDAP message refers to LDAP_OTHER, the directory service may be out of disk space. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Delete on directory <directory name> for entry '<entry name>' was unsuccessful with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8023 |  | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Search Initial Page on directory <directory name> at base '<value>' with filter '<value>' was unsuccessful. Directory returned the LDAP error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8024 |  | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Get Next Page call on directory <directory name> for pagesize <value>, was unsuccessful with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8025 |  | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Bind was unsuccessful on directory <directory name> for user '<value>'. Directory returned error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8026 | Lightweight Directory Access Protocol (LDAP) allows you to query and manage directory information using a TCP/IP connection. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
The LDAP Bind to the global catalog on <server name> for distinguished name '<recipient name>' was unsuccessful. The Directory returned error:[0x<value>] <value> The Active Directory Server that the ADC binds to must be a global catalog. Please, correct the configuration, or promote the Active Directory Server to be a global catalog. | Active Directory Connector | MSADC | 8027 |  | Either promote the Active Directory Server that the Connection Agreement points to, to a global catalog, or modify the Connection Agreement to point to a global catalog.
LDAP ModifyRDN on directory <directory name> for entry '<entry name>' was unsuccessful with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8028 | If the accompanying LDAP message refers to LDAP_OTHER, the directory service may be out of disk space. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP Extended result on directory <directory name> for entry '<entry name>' was unsuccessful with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8030 | Informational message only. | No user action required.
Unable to open LDAP session on directory '<directory name>' using port number <value>. Directory returned the LDAP error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8031 | Lightweight Directory Access Protocol (LDAP) allows you to query and manage directory information using a TCP/IP connection. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
LDAP search result on directory <directory name> for entry '<entry name>' was unsuccessful with error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8033 | If the accompanying LDAP message refers to LDAP_OTHER, the directory service may be out of disk space. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
Successfully modified entry '<entry name>' on directory <directory name>. | Active Directory Connector | MSADC | 8035 | Informational message only. | No user action required.
Successfully added new entry '<entry name>' on directory '<directory name>'. | Active Directory Connector | MSADC | 8038 | Informational message only. | No user action required.
LDAP Unbind on directory <directory name> was unsuccessful. Directory returned error:[0x<error code>] <error code> | Active Directory Connector | MSADC | 8054 | If the accompanying LDAP message refers to LDAP_OTHER, the directory service may be out of disk space. | Check network connectivity. Verify the user name, password, and port address are correct, and try again. If the problem persists, verify that the remote Exchange server is configured to support LDAP.
Stopped replication for Connection Agreement '<connection agreement>'. | Active Directory Connector | MSADC | 8058 | Synchronization was canceled | No user action required.
The Connection Agreement '<value>' on directory <directory name> could not be loaded due to an error. Make sure that the Connection Agreement is configured properly. | Active Directory Connector | MSADC | 8070 | There may be a network problem, or you may not have the appropriate permissions to perform this operation. | Check network connectivity. If you do not have the appropriate permissions, ask someone with administrative permissions to modify them. If the error persists, restart the Exchange server.
Object has no attributes, object is: <object name>, destination object is: <object name> | Active Directory Connector | MSADC | 8095 | The attribute tree is empty or all attributes in the attribute map are turned off. | If all attributes in the attribute map are turned off, turn them on.
The authentication package value (<value>) is not supported on server <server name>. Check the Connections tab on the Connection Agreement. | Active Directory Connector | MSADC | 8112 | The type of authentication being used is not supported on the specified server. The credentials can not be processed. | On the Connection tab of the Synchronization Agreement property page, modify the authentication options for logging onto the Windows 2000 server. Then try again. Verify the directory service on the remote server is running. Possible options are: Basic, Basic using SSL, NTLM, and NTLM using SSL. Check the port number.
The Connection Agreement '<value>' has been signaled to start replication immediately. | Active Directory Connector | MSADC | 8116 | Informational message only. | No user action required.
The entry with distinguished name '<value>' will not be written to the directory because it is missing the following mandatory attributes: '<attributes>' | Active Directory Connector | MSADC | 8121 |  | Add the required attributes, and make sure the attributes are enabled in the schema map.
The entry with distinguished name '<value>' will not be written to the directory because it has invalid attributes: '<attributes>' | Active Directory Connector | MSADC | 8122 | ADC could not write the proposed attributes to the directory. | Disable the invalid attributes in the schema map.
The entry with distinguished name '<value>' will not be written to the directory because it is trying to delete the mandatory attributes: '<attributes>' | Active Directory Connector | MSADC | 8123 | ADC cannot remove the attribute specified because it is required to exist by the target directory. | No user action required.
This version of ADC cannot run the Connection Agreement '<value>'. Either upgrade ADC on this server, or change the ADC service on the General tab to a different server. | Active Directory Connector | MSADC | 8137 |  | Make sure that the Connection Agreement was created using the Windows 2000 version of ADC. ADC cannot run Connection Agreements created by other versions ADC.
The server '<server name>' is not available. Check for network problems and make sure that the server is running. All directory updates to or from the server can not be replicated unless the server is available. | Active Directory Connector | MSADC | 8138 |  | Follow the advice given in the message.
An operation on server '<server name>' returned [0x<error code>] <error code>. The Connection Agreement <connection agreement> stopped. | Active Directory Connector | MSADC | 8145 |  | Restart the service. Check for sufficient disk space and memory. Check that the target directory and source directories are running.
Synchronization summary for connection agreement '<value>' --- %n [Destination Server: <server name>] %n [Start Time: <value>] %n [End Time: <value>] %n [Number of entries processed successfully: <value>] %n [Number of adds: <value>, Number of modifications: <value>] %n [Number of entries failed: <value>] | Active Directory Connector | MSADC | 8147 | Informational message only. | No user action required.
The directory schema on server '<service name>' is missing the following attribute types required for Connection Agreement '<connection agreement name>' to work properly: '<connection agreement name>'. Make sure that the directory service on '<server name>' was restarted after the Connection Agreement was created. If it was, either the Connection Agreement is not configured properly or the directory service on the server was re-installed after the Connection Agreement was setup. Please re-create the Connection Agreement. | Active Directory Connector | MSADC | 8148 |  | Follow the advice given in the error message.
Unable to create or open the transaction file '<file name>' for writing a deleted entry. If the file exists, make sure that it's writable by the ADC service, else make sure that the parent directory is writable and that the disk is not full. | Active Directory Connector | MSADC | 8149 |  | The transaction file is in the same directory that ADC is installed in. User account and passwords are shown on the Connection tab in the Connection Agreement Properties dialog box. Make sure that these credentials allow writing, the file is writable, and the disk is not full.
The Connection Agreement '<value>' has paused the replication after <number> seconds. The replication will resume in <number> seconds. | Active Directory Connector | MSADC | 8150 | Informational message only. | No user action required.
The Connection Agreement '<value>' is resuming its replication. | Active Directory Connector | MSADC | 8151 | Informational message only. | No user action required.

### Related Topics

Log Replications Events